Would be good to understand how you will be using your coach to give feedback. Examples: do you typically hook up to shore power; when camped without shore power, are you good with running your generator. With our Aria 3901, we like to boondock and I like to run generator sparingly for the peace and quiet. So I felt getting larger capacity batteries was the way to go. And I like good bang for buck, so went with flooded type to include the Flow-Rite system for very easy water maintenance. Based on reviews and price, I went with four Rolls S-605 flooded batteries. Gives a nice 936Ah bank. I did verify the battery storage compartment could support the extra weight as each battery is 125lbs. Good luck!
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